relational-redis-store
Version:
A Relational Redis Store
252 lines • 12.1 kB
JavaScript
;
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__assign = Object.assign || function(t) {
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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var __generator = (this && this.__generator) || function (thisArg, body) {
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function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
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Object.defineProperty(exports, "__esModule", { value: true });
var ts_results_1 = require("ts-results");
var ts_async_results_1 = require("ts-async-results");
var redisMock_1 = require("./redisMock");
var mockStoreFactory_1 = require("../mockStoreFactory");
var testUtils_1 = require("./testUtils");
var store;
beforeAll(function () {
store = (0, mockStoreFactory_1.createMockStore)({
namespace: 'test',
logger: testUtils_1.silentLogger,
});
});
beforeEach(function () {
store.flush();
});
describe('Atomic: Lock', function () {
test('Concurrent Additions to same collection does NOT overwrite', function () { return __awaiter(void 0, void 0, void 0, function () {
var actual;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
// The first transaction has a very high latency
redisMock_1.getRedisMockClient.DELAY = 1000;
store.addItemToCollection('simpleItems', {
name: 'Gigi',
age: 23,
}, 'g1', { foreignKeys: {} });
// The second one has a lower one, which thus would allow the 2nd to be created before the first in a naive (unlocking) system
redisMock_1.getRedisMockClient.DELAY = 100;
store
.addItemToCollection('simpleItems', {
name: 'Jack',
age: 28,
}, 'g2', { foreignKeys: {} })
.resolve();
redisMock_1.getRedisMockClient.DELAY = 50;
// The third one is the same as the 2nd
// With the addition that we wait for it to resolve, which in turn waits for the first two as well
return [4 /*yield*/, store
.addItemToCollection('simpleItems', {
name: 'John',
age: 30,
}, 'g3', { foreignKeys: {} })
.resolve()];
case 1:
// The third one is the same as the 2nd
// With the addition that we wait for it to resolve, which in turn waits for the first two as well
_a.sent();
return [4 /*yield*/, ts_async_results_1.AsyncResult.all(store.getItemInCollection('simpleItems', 'g1'), store.getItemInCollection('simpleItems', 'g2')).resolve()];
case 2:
actual = _a.sent();
expect(actual).toEqual(new ts_results_1.Ok([
{
name: 'Gigi',
id: 'g1',
age: 23,
},
{
name: 'Jack',
id: 'g2',
age: 28,
},
]));
return [2 /*return*/];
}
});
}); });
// TODO: Bring back after!
test('Multiple Updates are processed in order', function () { return __awaiter(void 0, void 0, void 0, function () {
var actual;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, store
.addItemToCollection('simpleItems', {
name: 'John',
age: 23,
}, 'g1', { foreignKeys: {} })
.resolve()];
case 1:
_a.sent();
// Set a higher delay
redisMock_1.getRedisMockClient.DELAY = 500;
store.updateItemInCollection('simpleItems', 'g1', {
name: 'Jack',
age: 34,
}, { foreignKeys: {} });
// Set a lower delay to simulate network differences
redisMock_1.getRedisMockClient.DELAY = 50;
return [4 /*yield*/, store
.updateItemInCollection('simpleItems', 'g1', { name: 'Arnold' }, { foreignKeys: {} })
.resolve()];
case 2:
_a.sent();
return [4 /*yield*/, store
.getItemInCollection('simpleItems', 'g1')
.resolve()];
case 3:
actual = _a.sent();
expect(actual).toEqual(new ts_results_1.Ok({
id: 'g1',
name: 'Arnold',
age: 34,
}));
return [2 /*return*/];
}
});
}); });
test('Concurrent Updates are processed in order and waited for the updated version', function () { return __awaiter(void 0, void 0, void 0, function () {
var actual;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, store
.addItemToCollection('complexItems', {
val: {
type: 'test-A',
recordCount: 0,
},
subscribers: {},
}, 'g1', { foreignKeys: {} })
.resolve()];
case 1:
_a.sent();
return [4 /*yield*/, ts_async_results_1.AsyncResult.all(store.updateItemInCollection('complexItems', 'g1', function (prev) { return ({
subscribers: __assign(__assign({}, prev.subscribers), { a: {
id: 'a',
subscribedAt: 1,
} }),
}); }, { foreignKeys: {} }), store.updateItemInCollection('complexItems', 'g1', function (prev) { return ({
subscribers: __assign(__assign({}, prev.subscribers), { b: {
id: 'b',
subscribedAt: 2,
} }),
}); }, { foreignKeys: {} })).resolve()];
case 2:
_a.sent();
redisMock_1.getRedisMockClient.DELAY = 100;
return [4 /*yield*/, store
.getItemInCollection('complexItems', 'g1')
.resolve()];
case 3:
actual = _a.sent();
expect(actual).toEqual(new ts_results_1.Ok({
id: 'g1',
val: {
type: 'test-A',
recordCount: 0,
},
subscribers: {
a: {
id: 'a',
subscribedAt: 1,
},
b: {
id: 'b',
subscribedAt: 2,
},
},
}));
return [2 /*return*/];
}
});
}); });
test('A failed updated doesnt hold the Lock', function () { return __awaiter(void 0, void 0, void 0, function () {
var actual;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, store
.addItemToCollection('simpleItems', {
name: 'John',
age: 23,
}, 'g1', { foreignKeys: {} })
.resolve()];
case 1:
_a.sent();
// Set a higher delay
redisMock_1.getRedisMockClient.DELAY = 500;
store.updateItemInCollection('simpleItems', 'g12', {
name: 'Jack',
age: 34,
}, { foreignKeys: {} });
// Set a lower delay to simulate network differences
redisMock_1.getRedisMockClient.DELAY = 50;
return [4 /*yield*/, store
.updateItemInCollection('simpleItems', 'g1', { name: 'Arnold' }, { foreignKeys: {} })
.resolve()];
case 2:
_a.sent();
return [4 /*yield*/, store
.getItemInCollection('simpleItems', 'g1')
.resolve()];
case 3:
actual = _a.sent();
expect(actual).toEqual(new ts_results_1.Ok({
id: 'g1',
name: 'Arnold',
age: 23,
}));
return [2 /*return*/];
}
});
}); });
});
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